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Solid Insulated Switchgear Market

The market for Solid Insulated Switchgear was estimated at $3.3 billion in 2025; it is anticipated to increase to $5.0 billion by 2030, with projections indicating growth to around $7.6 billion by 2035.

Report ID:DS2401057
Author:Chandra Mohan - Sr. Industry Consultant
Published Date:
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Energy & Power
Power Generation
Solid Insulated Switchgear
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Global Solid Insulated Switchgear Market Outlook

Revenue, 2025

$3.3B

Forecast, 2035

$7.6B

CAGR, 2026 - 2035

8.5%

The Solid Insulated Switchgear (SIS) industry revenue is expected to be around $3.3 billion in 2026 and expected to showcase growth with 8.5% CAGR between 2026 and 2035. This trajectory highlights the rising strategic importance of Solid Insulated Switchgear as utilities and industrial power users prioritize safer, more compact switchgear designs within the broader medium voltage switchgear landscape, driven by stricter environmental regulations, space-constrained substations, and the need for higher reliability in mission-critical operations. The utilities and industrial end-use segments together account for 73.9% of market demand, underscoring the technology’s central role in grid modernization, substation automation, and critical industrial power distribution, while the dominance of fixed SIS type, with $2.09 billion in revenue in 2025, reflects strong customer preference for robust, low-maintenance architectures over legacy air and gas insulated switchgear installations.

Solid Insulated Switchgear is a type of medium voltage switchgear that uses solid dielectric insulation instead of gas or air, enabling compact, fully sealed designs with enhanced operator safety, low partial-discharge risk, and reduced environmental impact across indoor and outdoor installations. Its key applications span distribution networks in the utilities sector, industrial power distribution for process facilities, renewable energy integration in wind and solar plants, and urban infrastructure, with recent demand increasingly driven by digital switchgear functionalities such as online condition monitoring, remote diagnostics, and IoT-enabled asset management that improve reliability, support predictive maintenance, and align with more automated, intelligent grid architectures.

Solid Insulated Switchgear market outlook with forecast trends, drivers, opportunities, supply chain, and competition 2025-2035
Solid Insulated Switchgear Market Outlook

Market Key Insights

  • The Solid Insulated Switchgear market is projected to grow from $3.3 billion in 2025 to $7.6 billion in 2035. This represents a CAGR of 8.5%, reflecting rising demand across Power Generation, Industrial Infrastructure, and Renewable Energy Systems.

  • Meidensha, Schneider Electric, and Toshiba are among the leading players in this market, shaping its competitive landscape.

  • U.S. and China are the top markets within the Solid Insulated Switchgear market and are expected to observe the growth CAGR of 6.2% to 8.9% between 2025 and 2030.

  • Emerging markets including Nigeria, Vietnam and Chile are expected to observe highest growth with CAGR ranging between 8.2% to 10.6%.

  • Transition like Adoption of Green Technologies is expected to add $451 million to the Solid Insulated Switchgear market growth by 2030.

  • The Solid Insulated Switchgear market is set to add $4.2 billion between 2025 and 2035, with manufacturer targeting Industrial & Commercial Application projected to gain a larger market share.

  • With

    increased demand for energy-efficient solutions, and

    Technological Advancements in Power Infrastructure, Solid Insulated Switchgear market to expand 126% between 2025 and 2035.

solid insulated switchgear market size with pie charts of major and emerging country share, CAGR, trends for 2025 and 2032
Solid Insulated Switchgear - Country Share Analysis

Opportunities in the Solid Insulated Switchgear

Rising hyperscale and colocation data center investments in North America are also opening niches for SIS in mission-critical medium voltage switchgear rooms and indoor substations. Operators prioritize arc-resistant switchgear, compact footprints, and integrated digital sensors to support tiered redundancy and rapid load growth. Fixed SIS will dominate main intake and distribution feeders, while withdrawable SIS gains share in auxiliary and backup systems, as operators seek standardized, factory-tested lineups that simplify maintenance, support modular campus expansions, and enhance power reliability.

Growth Opportunities in Asia-Pacific and Europe

Solid Insulated Switchgear adoption in Asia-Pacific is led by the utilities end-use, as transmission and secondary distribution operators prioritize medium voltage switchgear that is engineered as compact switchgear, arc-resistant, and suitable for densely populated urban corridors and transit infrastructure. Key regional drivers include accelerated underground cabling, rapid renewable integration at distribution voltages, and policy-driven moves away from legacy gas-insulated equipment toward more eco-friendly switchgear platforms. Competition is intensifying between global OEMs and agile regional manufacturers that localize Solid Insulated Switchgear designs for harsh climates, coastal corrosion, and space-constrained urban substations, often competing on cost-to-performance ratios and fast project execution. Top opportunities arise in standardized modular substation packages for power utilities, digitally enabled Solid Insulated Switchgear for smart grid automation and feeder automation, and utility framework contracts where long-term service, remote diagnostics, and interoperability with digital switchgear ecosystems become decisive.
In Europe, Solid Insulated Switchgear demand is dominated by the utilities segment, supported by stringent safety regulations, sustainability mandates, and large-scale refurbishment of aging primary and secondary distribution networks in mature power systems. Strong regional drivers include decarbonization targets, pressure to minimize substation footprints in cities, and the need to replace legacy oil or gas-based assets with solid-dielectric, gas-free switchgear that aligns with environmental objectives and lifecycle cost reduction. The competitive landscape is characterized by technology-centric differentiation, with established OEMs and specialized engineering firms competing on advanced protection schemes, digitalized condition monitoring, and seamless integration of Solid Insulated Switchgear into automated distribution management systems. Strategic opportunities are concentrated in grid-hardening for renewable corridors, turnkey retrofit programs for rail, metro, and tunnel power supplies, and premium Solid Insulated Switchgear solutions tailored to industrial and commercial campuses that require high reliability, low maintenance, and compliance with evolving European grid codes.

Market Dynamics and Supply Chain

01

Driver: Growing Demand for Compact Substations and Eco-Friendly High-Voltage Insulation Solutions

The rising need for compact substations in urban areas is also a major driver for the solid insulated switchgear market. With limited space and increasing electricity demand, utilities prefer SIS due to its reduced footprint and modular design, enabling installation in dense city environments without compromising safety or performance. Simultaneously, the push for eco-friendly high-voltage insulation solutions is also accelerating adoption. Modern SIS often uses SF6-free or low-GWP alternatives, addressing environmental regulations and reducing greenhouse gas emissions. These technological advancements enhance system reliability, reduce maintenance, and provide high insulation performance under variable load conditions. Together, urbanization and environmental compliance are also driving utilities and industrial operators to upgrade from conventional air-insulated or oil-insulated switchgear to solid insulated solutions, supporting sustainable and resilient power distribution infrastructures across global markets.
The rapid expansion of renewable energy projects, including solar, wind, and hybrid energy systems, is also driving demand for SIS. SIS offers compact, low-maintenance, and high-reliability switching solutions critical for connecting variable renewable generation units to the grid. These systems enable efficient fault isolation and protect equipment from voltage fluctuations, ensuring continuous power supply. Operators benefit from space efficiency, ease of integration, and improved operational safety. As renewable installations grow in scale and complexity, the deployment of SIS becomes increasingly essential for grid stability and efficient energy transmission, reinforcing its role as a key component in modern sustainable power networks.
02

Restraint: High Initial Investment Costs and Budget Limitations Slow Market Adoption

One of the most significant restraints on the solid insulated switchgear market is the high initial capital required for procurement and installation compared with traditional systems such as air‑insulated switchgear. Advanced solid insulation materials, precision manufacturing, and integration of smart monitoring increase upfront costs, making buyers in cost‑sensitive regions or smaller industrial projects hesitant to invest, despite long‑term operational advantages. For example, utilities in developing economies often opt for lower‑cost alternatives, which restricts revenue growth and delays infrastructure upgrades that could benefit from solid insulated switchgear adoption.
03

Opportunity: Smart urban distribution in emerging Asia-Pacific metropolitan regions and Renewable energy cluster switchgear for European onshore wind

Solid Insulated Switchgear adoption is accelerating in smart urban distribution networks across emerging Asia-Pacific metropolitan regions, where utilities seek compact, SF6‑free, medium voltage switchgear to modernize aging infrastructure and underground substations. Fixed SIS, already generating $2.09 billion in global revenue in 2025 and projected to reach $3.02 billion by 2030 at 7.6% CAGR, will capture most growth, driven by digital monitoring, distribution automation, and arc-resistant switchgear for mixed-use buildings and transit-oriented developments. Untapped secondary cities present opportunities for prefabricated SIS ring-main units.
Growing renewable energy clusters and onshore wind farms across Europe are creating strong demand for Solid Insulated Switchgear in collector substations, grid connection points, and compact switching stations. Withdrawable SIS, with global revenues rising from about $1.25 billion in 2025 to $2.00 billion by 2030 at 9.95% CAGR, is expected to grow fastest, enabling safer maintenance and higher availability. Technology innovations in condition-based monitoring, IEC-compliant eco-design, and digital protection panels address previously underserved brownfield repowering projects and remote community renewable microgrids.
04

Challenge: Workforce Skill Gaps and Complex Integration Challenges Hinder Deployment and Maintenance

Another major restraint is the shortage of skilled technicians and engineers trained to install, commission, and maintain SIS systems. The technology’s complexity, combined with evolving regulatory standards across regions, requires specialized expertise that is often limited, especially in emerging markets. This skill gap can lead to longer project timelines, increased labor costs, and potential reliability concerns during deployment, which in turn can deter end‑users from adopting advanced switchgear solutions and slow market expansion.

Supply Chain Landscape

1

Component Sourcing

ToshibaENTEC Electric & Electronic
2

Solid Insulated Switchgear

Schneider ElectricMeidenshaBulox Power
3

System Integration

Schneider ElectricBulox Power
4

End-User Applications

Medium Voltage Distribution NetworksRenewable Energy Integration Plants
Solid Insulated Switchgear - Supply Chain

Use Cases of Solid Insulated Switchgear in Power Generation & Renewable Energy Systems

Power Generation : Solid insulated switchgear is widely used in power generation facilities, including thermal, hydro, and nuclear plants, due to its compact design and reliable performance. Gas-insulated solid switchgear, often SF6-free or with eco-friendly insulation alternatives, is preferred for high-voltage applications because it provides superior insulation and reduced maintenance requirements. Power plant operators benefit from enhanced safety, lower footprint, and high operational reliability, allowing efficient management of high-voltage circuits. SIS also improves fault detection and load switching, ensuring uninterrupted power supply and enhancing overall plant efficiency, while supporting modernization of legacy substation infrastructure.
Industrial Infrastructure : In industrial infrastructure, SIS is employed in factories, refineries, and large commercial complexes to manage medium- and high-voltage power distribution safely. Compact metal-enclosed or gas-insulated SIS modules are favored for their ability to minimize space usage while maintaining high reliability under demanding conditions. Industries gain advantages such as reduced maintenance costs, enhanced operational safety, and simplified integration with automated control systems. SIS also ensures quick fault isolation, protecting sensitive machinery and production lines from electrical hazards. Its durability and flexibility make it ideal for expanding industrial complexes with high energy demands.
Renewable Energy Systems : SIS plays a critical role in renewable energy systems, including solar farms, wind parks, and hybrid energy installations. Medium- and high-voltage SIS units are used to connect renewable generation units to the grid efficiently, providing reliable switching and fault protection. These switchgear systems offer low maintenance, high reliability, and space efficiency, which are crucial for remote or large-scale renewable installations. By enabling safe and efficient energy transmission, SIS ensures consistent power delivery and supports grid stability. Operators can integrate solar or wind power into existing networks with minimal disruption, enhancing the adoption of sustainable energy solutions.

Recent Developments

The solid insulated switchgear market is advancing with increasing adoption of smart grid technologies and IoT‑enabled monitoring, enhancing reliability and predictive maintenance in power distribution networks. A key trend is the shift toward eco‑friendly insulation materials and compact substation designs to meet urban space constraints and environmental regulations. Utilities and industrial operators are upgrading legacy switchgear with digital sensors and automated control systems, improving grid stability, fault detection, and operational efficiency while reducing maintenance costs and downtime in modern electrical infrastructure.

November 2025 : Schneider Electric unveiled its GM AirSeT SF6‑free primary switchgear range at ENLIT Europe 2025. This technology expands the company’s eco‑friendly insulated switchgear portfolio using pure air insulation and vacuum arc interruption, supporting decarbonization and compliance with new environmental regulations while enhancing grid digitalization.
August 2025 : Schneider Electric signed a substantial long‑term framework agreement with utility E.ON to supply SF6‑free medium‑voltage switchgear across E.ON’s European network. The deal supports E.ON’s grid modernization and sustainability goals under evolving EU F‑Gas regulations.
December 2025 : Toshiba Energy Systems & Solutions introduced an SF6‑free 420/550 kV gas‑insulated busbar using natural‑origin gases as part of its broader eco‑efficient transmission and switchgear product strategy, advancing sustainable high‑voltage infrastructure.

Impact of Industry Transitions on the Solid Insulated Switchgear Market

As a core segment of the Power Generation industry, the Solid Insulated Switchgear market develops in line with broader industry shifts. Over recent years, transitions such as Adoption of Green Technologies and Digitalization and Automation have redefined priorities across the Power Generation sector, influencing how the Solid Insulated Switchgear market evolves in terms of demand, applications and competitive dynamics. These transitions highlight the structural changes shaping long-term growth opportunities.
01

Adoption of Green Technologies

The accelerated adoption of green technologies in SIS is transforming the market from a compliance-led upgrade to a strategic growth engine, with this transition expected to add approximately $451 million to market expansion by 2030. As utilities and industrial users pivot toward sustainable power distribution and SF6-free switchgear, SIS is emerging as a preferred eco-friendly switchgear solution, enabling carbon-neutral grids and supporting smart grid modernization. Its zero greenhouse gas emissions, compact design, and superior lifecycle cost reduction align with tightening regulatory compliance and renewable energy integration mandates, driving faster replacement of legacy medium voltage switchgear. This green transition is thus reshaping technology roadmaps, accelerating product innovation, and concentrating investment in advanced, energy-efficient SIS platforms that deliver both environmental and financial performance advantages.
02

Digitalization and Automation

The SIS industry has been transformed by digitalization and automation, reshaping monitoring, maintenance, and operational efficiency. The integration of IoT sensors and smart devices in SIS enables real-time data collection, predictive maintenance, and remote diagnostics, reducing downtime and enhancing reliability. This transition has had a profound impact on energy, manufacturing, and utility sectors. For example, power plants can detect potential faults before they occur, minimizing disruptions, while industrial facilities optimize energy distribution and improve safety. Utilities deploying smart SIS benefit from automated load management and faster response times. Overall, digitalization and automation have accelerated the adoption of intelligent switchgear solutions, supporting operational efficiency, energy management, and resilience across critical infrastructure.